wads and the sd card

umm i want to know if this is the right way to play wads from my sd card like mario 64 ok i have installed it useing the wadmanager then i went to data management and copyed it to my sd card the i deleted it from the wii menu i went to my sd card and i ran the game it worked fine but i want to be sure that this is the right way to do it i have done it this way to about 6 or 7 game all work fine